ALLEN PARK — When Reggie Bush went down without being touched during a team drill late at Wednesday’s minicamp session, the Earth seemed to stand still on its axis for a moment or two.

The Detroit Lions running back went to the sideline and appeared to walk it off.

“I knew I just tweaked (my ankle) a little bit, I just planted it wrong.’’ Bush said. “It’s nothing I haven’t been through I’m good and I didn’t miss any time, any reps.’’

In fact, he did go right back into the drills.

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During OTAs and minicamp Bush has been all over the field as a running back and pass receiver, filling a role vacated by Jahvid Best.

“I’m used to it so it’s definitely familiar territory for me and it’s nothing I haven’t done I haven’t been thorough,’’ Bush said. “I embrace it and I’m excited for this opportunity.’’

The acquisition of Bush will allow offense coordinator Scott Linehan to be a little more creative in his play calling.

“Reggie has definitely got some versatility,’’ Linehan said. “If anything, it gives us more versatility that we can use whenever it relates to our backfield — doing what we do as a base or we can do some things creativewise to break the traditional looks we had and utilize our running back both as a running back and a pass receiver. That’s what Reggie has done his whole career.’’

Questions surround Delmas

Louis Delmas, who is sidelined with a lingering knee injury, is not a lock to be ready for the regular season.

“I go home and pray a lot, I can’t answer that. Where there’s a will there’s a way for Lou and there’s a lot of will in him,’’ defensive coordinator Gunther Cunningham said.

Delmas, who is not participating in minicamp has been on the sidelines at minicamp this week. He’s been prickly with reporters.

“He’s obviously emotional about everything,’’ Cunningham said.

“I think he’s feeling better. I can’t speak for the doctors or trainers, but talking to him I like the way he’s responding to me in those conversations,’’ Cunningham said. “He wants to play and he’s going to be ready to play on his part. Like I said, everybody has to answer those questions.’’

On right track at left tackle

While there is competition between Jason Fox and Corey Hilliard for the starting right tackle spot, left tackle belongs to Riley Reiff.

Reiff was drafted in the first round in 2012 to eventually fill the shoes of Jeff Backus. He got one start in 2012 for the one game Backus missed in his dozen years playing for the Lions. Reiff also saw regular playing time lining up as a tight end.

“Riley is doing great, he is,’’ Linehan said. “Everything we’ve asked him to do, step into a role. When we drafted him that was the role we envisioned for him. We didn’t set that as the only possibility. He’s done a great job there and he’s making progress every day. ... We feel really, really confident in his ability to do a great job for us.’’

Hilliard and Fox have been alternating at right tackle with the starters through OTAs and minicamp.

“We’ll keep them as equal as we can and let guys work with different groups,’’ Linehan said. “... We’ll try to keep it to where their rotation seems to be similar from Day One. You might do something different and maybe flip it the next day.’’

Broyles back again

Ryan Broyles, who is coming off ACL surgery six months ago, had full participation in minicamp for the second straight day.

“I feel pretty good, I’ve done two full practices so far no complaints,’’ Broyles said. “I feel good about the playbook so I can go in there and pick and choose my spots so I can be explosive.’’

Ins and outs

Ronnell Lewis, who was sidelined on Tuesday, returned to practice on Wednesday.